2218705200187 has 12 divisors (see below), whose sum is σ = 2635856462880. Its totient is φ = 1861284603696.

The previous prime is 2218705200167. The next prime is 2218705200191. The reversal of 2218705200187 is 7810025078122.

It is not a de Polignac number, because 2218705200187 - 2¹¹ = 2218705198139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218705200137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481696612 + ... + 481701217.

It is an arithmetic number, because the mean of its divisors is an integer number (219654705240).

Almost surely, 2^{2218705200187} is an apocalyptic number.

2218705200187 is a deficient number, since it is larger than the sum of its proper divisors (417151262693).

2218705200187 is an equidigital number, since it uses as much as digits as its factorization.

2218705200187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963397890 (or 963397883 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 2218705200187 in words is "two trillion, two hundred eighteen billion, seven hundred five million, two hundred thousand, one hundred eighty-seven".